Some of the
demonstrators, people who want to stop cruelty, felt passionate
enough about the issue to climb the fence and walk onto the track
between races, in the hope that their protest signs would be seen by
more people.

For
Thoroughbreds in the U.S. Caribbean territory of Puerto Rico, being
fast enough to win is a matter of life and death. About 450 horses,
many in perfect health, are killed each year by lethal injection at
a clinic tucked behind Puerto Rico's only racetrack, as a shortage
of options often means a death sentence.